JP5572307B2 - 光電変換装置の製造方法 - Google Patents
光電変換装置の製造方法 Download PDFInfo
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- JP5572307B2 JP5572307B2 JP2008319106A JP2008319106A JP5572307B2 JP 5572307 B2 JP5572307 B2 JP 5572307B2 JP 2008319106 A JP2008319106 A JP 2008319106A JP 2008319106 A JP2008319106 A JP 2008319106A JP 5572307 B2 JP5572307 B2 JP 5572307B2
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- single crystal
- layer
- crystal silicon
- silicon layer
- electrode
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Images
Classifications
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- H—ELECTRICITY
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- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0236—Special surface textures
- H01L31/02363—Special surface textures of the semiconductor body itself, e.g. textured active layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1804—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof comprising only elements of Group IV of the Periodic System
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/06—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by at least one potential-jump barrier or surface barrier
- H01L31/075—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by at least one potential-jump barrier or surface barrier the potential barriers being only of the PIN type
- H01L31/076—Multiple junction or tandem solar cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/547—Monocrystalline silicon PV cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Description
図1(A)に本発明に係る光電変換装置100の上面の模式図を示し、図1(B)に断面の模式図を示す。なお、図1(B)は、図1(A)中のO−P切断線に対応する断面図の一例である。
本形態では、上記実施の形態と異なる光電変換装置の製造方法について説明する。上記実施の形態では、単結晶シリコン基板101から薄片化した第1単結晶シリコン層110にレーザ処理を行うことによって結晶欠陥の修復を行う例について示した。本実施の形態では、第1単結晶シリコン層110表面を除去して結晶欠陥の低減を図る方法に関して説明する。なお、その他の構成は上記実施の形態に準じるものとし、説明は省略する。
本形態では、上記実施の形態と異なる光電変換装置の製造方法について、図10乃至図12を参照して説明する。具体的には、単結晶シリコン基板101に脆化層103、第1不純物シリコン層108、第1電極106及び絶縁層104を形成する方法に関して説明する。なお、その他の構成は上記実施の形態に準じるものとし、説明は省略する。
本形態では、上記実施の形態と異なる構成の光電変換装置について、図13を参照して説明する。具体的には、上記実施の形態では絶縁層104と支持基板102との間で接合する例を示したが、本形態では絶縁層104を設けることなく第1電極106と支持基板102との間で接合する例について説明する。
本形態では、単結晶シリコン層を分離して残る剥離基板130を再生処理する例について説明する。
本形態では、ユニットセルを複数積層した光電変換装置の例について説明する。本形態では、ユニットセルを2層積層した所謂タンデム型の光電変換装置について説明する。
本形態では、ユニットセルを複数積層した光電変換装置、具体的にはユニットセルを3層積層した所謂スタック型の光電変換装置について図面を参照して説明する。
実施形態1乃至7により得られる光電変換装置を用いて太陽光発電モジュールを製造することができる。本実施の形態では、上記実施の形態に示す光電変換装置を用いた太陽光発電モジュールの一例を図20(A)に示す。太陽光発電モジュール1028は、支持基板102の一面上に設けられたユニットセル116により構成されている。支持基板102とユニットセル116との間には、支持基板102側から絶縁層104、第1電極106が設けられている。第1電極106は補助電極118と接続している。
図21は上記実施の形態8で示した太陽光発電モジュール1028を用いた太陽光発電システムの一例を示す。一又は複数の太陽光発電モジュール1028の出力電力は、充電制御回路1029により蓄電池1030を充電する。蓄電池1030の充電量が多い場合には、負荷1031に直接出力される場合もある。
101 単結晶シリコン基板
102 支持基板
103 脆化層
104 絶縁層
105 保護層
106 電極
108 不純物シリコン層
110 単結晶シリコン層
112 単結晶シリコン層
113 単結晶シリコン層
114 不純物シリコン層
116 ユニットセル
118 補助電極
119 パッシベーション層
120 電極
130 剥離基板
180 レーザビーム
Claims (2)
- 単結晶シリコン基板の一表面側からイオン又はクラスターイオンを照射して前記一表面側から所定の深さの領域に脆化層を形成し、且つ前記単結晶シリコン基板の一表面側に第1不純物シリコン層、第1電極および絶縁層を形成し、
ガラス基板の一表面側と、前記単結晶シリコン基板の一表面側と、を対向させ、前記ガラス基板の一表面側と前記絶縁層とを重ね合わせて貼り合わせ、
熱処理を行い、前記脆化層を境として前記単結晶シリコン基板を分離させ、前記ガラス基板上に単結晶シリコン層を40nm以上300nm以下の厚さで形成し、
前記単結晶シリコン層の結晶欠陥修復処理又は結晶欠陥除去処理を行った後、
前記ガラス基板の温度を600℃以上670℃以下にし、シラン系ガスを少なくとも含む原料ガスを用い、大気圧或いは大気圧近傍下で生成したプラズマにより前記原料ガスを活性化させ、前記単結晶シリコン層を1μm以上20μm以下でエピタキシャル成長させ、
前記単結晶シリコン層のエピタキシャル成長させた表面側に第2不純物シリコン層および第2の電極を形成する光電変換装置の製造方法であって、
照射する前記イオン又はクラスターイオンとしては、H3 +イオンの割合を多くすることを特徴とする光電変換装置の製造方法。 - 請求項1において、
大気圧或いは大気圧近傍とは、0.1気圧乃至10気圧の範囲とすることを特徴とする光電変換装置の製造方法。
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US20100047952A1 (en) | 2010-02-25 |
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TW200945613A (en) | 2009-11-01 |
CN101471398A (zh) | 2009-07-01 |
JP2009177145A (ja) | 2009-08-06 |
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